<input type="text" id="dateRange" value="Select the dates">
<input type="submit" id="getAvaiRooms" value="Find"/>
<div id="divBookRoom">
    <div id="availableRoom" style="font-size: 14px">
        </div>
        <fieldset style="border-style: solid">
            <legend>Customer information</legend>
            <table cellpadding="3" cellspacing="2">
                <tr>
                    <td>ID</td>
                    <td><input type="text" name="customerID" id="customerID" /></td>
                </tr>
                <tr>
                    <td>Full Name</td>
                    <td><input type="text" name="customerName" id="customerName"/></td>
                </tr>
                <tr>
                    <td>Phone</td>
                    <td><input type="text" name="customerPhone" id="customerPhone"/></td>
                </tr>
                <tr>
                    <td>Email</td>
                    <td><input type="text" name="customerEmail" id="customerEmail"/></td>
                </tr>
                <tr>
                    <td>Check-in</td>
                    <td><input type="text" name="checkinDate" id="checkinDate"/></td>
                </tr>
                <tr>
                    <td>Check-out</td>
                    <td><input type="text" name="checkoutDate" id="checkoutDate"/></td>
                </tr>
                <tr>
                    <td>Room ID</td>
                    <td><select id="roomIDCombo"></select>
                        <input type="submit" id="bookBtn" name="bookBtn" value="Book"/></td>
                </tr>  
            </table>
        </fieldset>
</div>
